Combination filter and ionic gas generator assembly for purifying machine tool coolants



FIG. 1 is a front perspective view of a combination filter and ionic gas generator assembly, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for combination filter and ionic gas generator assembly for purifying machine tool coolants, substantially as shown. 